|Publication number||US8015650 B2|
|Application number||US 12/835,444|
|Publication date||Sep 13, 2011|
|Priority date||May 31, 2005|
|Also published as||EP2026688A2, EP2026688B1, EP2319381A1, EP2324750A1, EP2343002A1, US8011050, US20060265824, US20100325826, WO2007143214A2, WO2007143214A3|
|Publication number||12835444, 835444, US 8015650 B2, US 8015650B2, US-B2-8015650, US8015650 B2, US8015650B2|
|Inventors||Jeremy F. Knopow, Matthew N. Thurin|
|Original Assignee||S.C. Johnson & Son, Inc.|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (65), Non-Patent Citations (4), Referenced by (4), Classifications (19), Legal Events (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This application is a continuation of patent application Ser. No. 11/450,315, filed on Jun. 10, 2006, which is a continuation-in-part of patent application Ser. No. 11/141,099, filed May 31, 2005 now U.S. Pat. No. 7,721,372, and of patent application Ser. No. 29/239,706, filed Oct. 3, 2005 now U.S. Pat. No. D547,954.
1. Field of the Invention
The present invention relates to cleaning devices, and more specifically to a cleaning device for fabrics that is capable of picking up and retaining for disposal various debris located on a fabric surface. The present invention also relates to a cleaning kit having preferably a cleaning device and instructions for using the same.
2. Discussion of the Related Art
When cleaning fabric surfaces, oftentimes mechanical vacuum cleaning devices are utilized in order to effectively remove dirt, dust, and other debris from the fabric surface. However, due to the often large and cumbersome construction of these types of mechanical vacuum fabric cleaning devices, these devices are often not suitable for use in certain situations where the fabric surface to be cleaned is relatively small, or is positioned in a difficult to access location. In addition, for various instances of spot cleaning certain fabric surfaces, a large mechanical cleaning device is often impractical for the particular cleaning task.
Therefore, in order to provide a lightweight cleaning device that can be utilized as an alternative to larger mechanical vacuum cleaning devices for these types of situations, various alternative cleaning devices and brushes have been developed. For example, Tsuruzawa U.S. Pat. No. 3,747,152 discloses a cleaning brush with dust removing and collection means. The device includes a rotatable or slidable brush that is mounted to a housing that can be grasped by an individual to move the brush across a surface to be cleaned. The movable brush is formed with a number of bristles, which are oriented generally opposite to bristles on a pair of brush members disposed on the housing surrounding the brush. The bristles on the movable brush pick up dirt from the surface by contacting the dirt as the brush is moved across the surface. The bristles then rotate into engagement with the bristles on the brush members in the housing to dislodge the dirt from the movable brush. The dirt and dust dislodged by the brush members is then collected within the movable brush opposite the bristles for later removal through an opening in the housing to which the movable brush is mounted.
However, this device has certain shortcomings in that the ability of the brush to effectively retain any dirt, dust, or other debris is determined by the contact of the bristles on the brush with the bristles of the brush members. Because the movable brush necessarily has to move into contact with the brush members from the exterior of the device, the brush can dislodge the dirt, dust and other debris from the movable brush before the dirt is located within the brush housing. Furthermore, for that component of the dirt, dust, and other debris that is actually contained within the housing as a result of the proper operation of the device, the debris must be dispensed by inverting the device and shaking the housing such that the debris moves through an opening in the housing, which is a highly inefficient manner to remove the dirt from the device.
Therefore, it is desirable to develop a lightweight, manually operable fabric surface cleaning or sweeping device that engages dirt, dust, and other debris picked up off of a fabric surface in a manner which more effectively removes the debris from the surface and deposits this debris within a collection chamber positioned in the device. Further, it is also desirable to develop a fabric sweeper cleaning device in which the dust or debris collected by the device can be more easily dispensed of using the separate collection chamber.
According to a primary aspect of the present invention, a fabric cleaning and/or sweeping device is provided with a housing that preferably includes at least one fabric cleaning member. In one embodiment, a pair of movable cleaning members are secured within a recess in the housing such that each member is engageable with the fabric to be cleaned and with the opposed fabric cleaning member. The movable cleaning members rotate with respect to the housing as the cleaning device is moved over the fabric surface and picks up any dust, dirt, or other debris on the fabric surface. The movable cleaning members are secured within the housing in a manner which enables the members to rotate independently of one another, but also that the cleaning members selectively come into contact with one another. When the cleaning members contact one another, the members effectively act as a cleaning mechanism for one another, urging the dust, dirt, and other debris off of the opposite member, and into a collection chamber for the device. The members can easily pick up dust, dirt, and other debris from the fabric surface due to the construction of the cleaning members, which include an outer surface formed of a material that readily attracts pet hair, crumbs, dust, lint, allergens and other materials present on the fabric surface. The materials are also chosen to be somewhat flexible such that the material, in addition to being cleaned by the material positioned on the opposed rotatable member, can be further cleaned of the dirt, dust, and other debris picked up by the material as a result of the contact of the material on each cleaning member with the housing.
According to another aspect of the present invention, the housing preferably includes a dirt collection chamber with an open lower end that is in communication with the space within which the rotatable members are positioned such that the dirt and dust picked up by the cleaning members is diverted through the housing into the collection chamber. In one embodiment, the chamber is preferably removably retained within the housing until such time as the chamber becomes filled with dirt, dust, and other debris picked up by the cleaning members. The chamber can then be removed, emptied, and/or replaced in order to ready the device for additional cleaning.
According to still another aspect of the present invention, the housing within which the cleaning members and the collection chamber are positioned is designed to enable easy handling and use by an individual to clean a fabric surface. Additionally, the housing is formed with a minimum of parts, which can each be formed of lightweight materials that are relatively low cost and easy to manufacture into the housing components.
In yet another preferred embodiment, the invention is a cleaning kit comprising: a fabric cleaning and/or sweeping device and instructions on its use.
Numerous other aspects, features and advantages of the present invention will be made apparent from the following detail description taken together with the drawing figures.
The drawings illustrate the best mode currently contemplated of practicing the present invention.
In the drawings:
With reference now to the drawing figures in which like reference numerals designate like parts throughout the disclosure, a fabric cleaning or sweeping device constructed according to the present invention is indicated generally by the reference number 10 in
Referring now to
The outer housing 22 includes a lower opening 28 within which the inner housing 24 is located, and an upper opening 30 positioned generally opposite the lower opening 28. The upper opening 30 can have any desired shape, but is preferably rectangular in shape in order to accommodate a collection chamber or bin 32 therein. The bin 32 includes a handle 34 at one end to facilitate the removal of the bin 32 from within the upper opening 30 in the outer housing 22. The bin 32 is also formed of a generally lightweight material, such as a plastic material, and includes a wide, closed end 36 at the top of the bin 32, and a narrow open end 38 at the bottom of the bin 32. Inwardly tapering end walls 40 extend between the closed end 36 and open end 38 at each end of the bin 32, and are joined by sidewalls 42. The side walls 42 are integrally formed with the end walls 40 and include a number of open sections 44 spaced therealong. The open sections 44 allow an individual to view the interior of the bin 32 in order to determine how much debris 20 has been collected therein. The open sections 44 are preferably enclosed by a transparent material 46 that can extend from one side of the open end 38 over the adjacent side wall 42, over the top of the bin 32 to form the closed end 36, and down over the opposed side wall 42. In this embodiment, the transparent material 46 allows an individual to view the interior of the bin 32 regardless of whether the bin 32 is positioned within or removed at least partially from the upper opening 30 in the device 10. Additionally, to provide a more aesthetically pleasing appearance to the device 10, the closed end 36 of the bin 32 can be formed of material similar to the material forming the housing 22 to provide a more seamless appearance between the closed end 36 of the bin 32 and the handle portion 14 of the device 10.
Referring now to
The recess 56 also houses a pair of cleaning members 60 and 61. The members 60, 61 are generally semi-cylindrical in shape, such that each member 60, 61 includes a curved surface 62, and a pair of arcuate end walls 64. Each end wall 64 includes a protrusion 66 extending outwardly therefrom in which is defined a bore 68 that receives a fastener 70 in order to rotatably secure each end wall 64 to the adjacent end wall 55 of the recess 56. While the preferred embodiment discloses cleaning members 60, 61 that are generally semi-cylindrical in shape, other suitable shapes for the members 60, 61 are also contemplated. Further, the materials utilized to form the cleaning members 60, 61 are selected to maintain the overall light weight for the device 10, such that preferred materials for the cleaning members 60, 61 can include various lightweight metals and plastics.
Each cleaning member 60, 61 also includes a layer of cleaning material 72 secured to the member 60, 61 on the curved surface 62 opposite the end wall 64. The material 72 can be selected from any suitable material capable of picking up and retaining various dirt, dust, pet hair, crumbs, lint, and other allergens from a fabric surface 16, such as a number of teeth disposed, and possibly integrally formed on each member or a material secured to the members 60, 61. Preferably, the material is formed of a cloth-like material, with a particularly preferred material being an unidirectional, fabric, such as velour. The layer of cleaning material 72 is secured to the curved surface 62 of the cleaning members 60, 61 in any suitable manner, but is preferably fixedly secured to the curved surface 62 by an adhesive.
The cleaning members 60, 61 are secured within the recess 56 such that the layer of cleaning material 72 on each member 60, 61 extends below the lower portion 48 of the inner housing 24 and into contact with a fabric surface 16 over which the device 10 is moved. Each member 60, 61 is rotatable within the recess 56 between a first position where an inner side 74 (e.g.,
In operation, referring now to
At this point, the device 10 is moved in the opposite direction indicated by arrow B in
The removal of the debris 20 from the cleaning material layer 72 on each cleaning member 60, 61 is further facilitated by the presence of the debris diverting edge 80 formed on the upper portion 50 of the inner housing 24 on each side of the central opening 58. The edges 80 on each side of the opening 58 contact the cleaning material layer 72 on the respective cleaning members 60, 61 when the members 60, 61 move into the positions shown in
After the debris 20 has been removed from the fabric surface 16, an individual can remove and replace the bin 32, if necessary, or can utilize the device in order to remove debris 20 from an additional fabric surface or surfaces 16. In addition, as opposed to the bin 32 being designed for removal and disposal separately from the device 10, the entire device 10 can be designed to be disposed once the bin 32 has been filled with debris 20 removed from one or more fabric surfaces 16.
Additionally, separate from the previously described embodiments, other modifications to the device 10 are also contemplated as within the scope of the invention. For example, the chamber or bin 32 can be integrally formed with the outer housing 22, such that the entire device is disposable. Also, the chamber 32 can include or be formed of a hair or lint attracting material, such as a strip of a tacky material or a hook and loop material to trap any lint, hair or other debris contacting it. Also, the opening 58 in the inner housing 24 could be moved to one side or the other of the inner housing 24, along with a corresponding shift in the location of the chamber 32.
As shown in
Another embodiment is shown in
In this embodiment, the grooves 215 a,b, preferably having textured surface 217 consisting of small protrusions or indentations, grip points 219 that assist in the gripping of the device 210. The grooves 215 a,b are ergonomically designed and accommodate a wider variety of hand sizes. The height of the grooves 215 a, b prevent squeezing of the rollers 260, 261 when the device 210 is used. When properly gripped by a user, the user's hand is properly orientated relative to the usage direction.
This embodiment may also include ridge 231 around bottom portion 212. The ridge 231 may have a rounded lip to prevent snags. As best shown in
As mentioned, various components of the device can be attached by sonic heat staking or hot melt glue. The heat staking process may have a feature that shows orientation for future troubleshooting
The velour cleaning material may be applied to the rollers as a sort of label, that is, with one side having an adhesive and one side having a unidirectional fabric. Alternatively, the cleaning fabric may include a properly cut and sized piece of material hot glued to the roller. The fabric may have semi circular tabs cut out to align with corresponding structures on the rollers. This makes it easier to fit the fabric to the roller during assembly. While the cleaning material is typically red velour, blue, and other colors, lighter colors such as white and yellow may be used. For example, the lighter colors may be beneficial as they will better show dirt and debris.
The cleaning fabric preferably has some cushion. The cushion density makes a difference in exerted force. The velour wears out after time, for example, 6 to 8 hours of use.
In one embodiment, the roller fasteners may consist of de-nest lugs embedded in the top housing. In such an embodiment, the roller removal force is about 16 pounds.
The device is preferably made of transparent 100% recyclable R-PET or some other suitable plastic resin.
In another embodiment, the inside of the device is sprayed with glue or some other adhesive. This feature attracts and holds the debris to the inner walls of the device. This feature will promote the fact that the device is disposable.
The invention may further include a process for manufacturing a device assembly that requires a rigid part (e.g., a roller) to have a dissimilar, in this case a cleaning fabric, material bonded to it. This process is preferably as follows:
One advantage of this process is that a machine for manufacturing and assembling the roller and fabric allows for ease of placement of the fabric onto and over the edges of the rigid part.
This machine allows fabric to be assembled onto a rigid part's surface and rolled over the edges of the rigid part, all in a single operation. The machine is well suited to either manual hand assembly or high-speed automation and has the following attributes:
The basic operation of the machine is as follows:
In the preferred embodiment described herein, the rollers fit into the device only one way. Further, although a two roller and single roller version are shown, three or more smaller rollers may used. The device may also have dust pan feature for catching and hold the debris within the housing.
In another preferred embodiment, the invention is a cleaning kit comprising: a fabric cleaning and/or sweeping device and instructions on its use. The kit may be sold separately via promotional materials, advertising and/or with instructions in each kit being used to explain the benefits of using the various products together. Promotional materials are defined in U.S. Pat. No. 6,777,064, which is incorporated herein by reference.
The promotional materials, instructions, and other consumer-related information may be communicated to the consumer via traditional printed methods or alternative methods including, but not limited to, multimedia presentations on CD-ROMs or DVDs included with the packaging, accessed via the internet by entering or scanning the product's UPC or trade name into an internet browser, by reading an imbedded RFID tag located within the cleaning implement with an internet-enabled device, or through some other suitable electronic means. In this respect, a mutually beneficial interface between the user and the consumer goods provider may be created further strengthening customer loyalty.
Various other features, embodiments and advantages of the present invention are contemplated as being within the scope of the following claims particularly pointing out and distinctly claiming the subject matter regarded as the invention.
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|U.S. Classification||15/27, 15/39.5, 15/221, 15/48|
|Cooperative Classification||A47L11/4075, A47L25/08, A47L11/4041, A47L25/005, A47L11/4013, A47L11/4025, A47L11/33|
|European Classification||A47L25/08, A47L11/40D4, A47L25/00A, A47L11/33, A47L11/40F4, A47L11/40L, A47L11/40D|
|May 23, 2011||AS||Assignment|
Owner name: S.C. JOHNSON & SON, INC., WISCONSIN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KNOPOW, JEREMY F.;THURIN, MATTHEW N.;SIGNING DATES FROM 20100901 TO 20100907;REEL/FRAME:026325/0154
|Mar 13, 2015||FPAY||Fee payment|
Year of fee payment: 4